vertical axis of the histogram is ()
A: Frequency
B: Relative
frequency
C: Relative
frequency density
D: The
values of a variable
E: The
intervals of a variable
举一反三
- Which<br/>of the following is the Y-axis of the histogram?() A: frequency B: relative<br/>frequency C: relative<br/>frequency density D: values<br/>of a variable E: rate
- For<br/>a bar chart, we take _____ as the horizontal axis. () A: frequency B: relative<br/>frequency C: relative<br/>frequency density D: values<br/>of a variable
- Which<br/>of the following can be used as the Y-axis of the bar chart? () A: frequency B: relative<br/>frequency C: relative<br/>frequency density D: values<br/>of a variable
- The<br/>baud rate of serial transfer using Mode 0 of 8051 running at 6MHz<br/>clock frequency is() A: fixed<br/>at 256Kbps B: fixed<br/>at 512Kbps C: variable<br/>with maximum with 256Kbps D: variable<br/>with maximum with 512Kbps
- 商务数据的相对频数(<br/>relative frequency)之和为(<br/>)。 A: 1 B: 2 C: 0 D: 不确定
内容
- 0
The total area of the bars in a relative frequency histogram:
- 1
Generally,<br/>an analog signal can be reconstructed more accurately with ( ) A: more<br/>quantization levels B: fewer<br/>quantization levels C: a<br/>higher sampling frequency D: a<br/>lower sampling frequency
- 2
For the generator control panel onboard a ship with AC electrical power network, it has voltage meter, current meter, and ( ) also. A: frequency<br/>meter, power meter, and power factor meter B: frequency<br/>meter, power meter and mega ohm meter C: frequency<br/>meter, power meter and rotating speed meter D: frequency<br/>meter, mega ohm meter and rotating speed meter
- 3
A relative frequency distribution describes the proportion of data values that fall within each category.
- 4
The total area of the six bars in a relative frequency histogram for which the width of each bar is five units is 1.